Home / 35,136.19-48,482.31-20,028.88

Finding the Fourth Proportional to 35,136.19, 48,482.31 and 20,028.88

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Solution

The fourth proportional to 35,136.19, 48,482.31 and 20,028.88 is: 27,636.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,136.19 : 48,482.31 = 20,028.88 : x
  2. Step 2: Convert to fraction form
    35,136.19/48,482.31 = 20,028.88/x
  3. Step 3: Cross multiply
    35,136.19x = 48,482.31 × 20,028.88
  4. Step 4: Simplify right side
    35,136.19x = 971,046,369.11
  5. Step 5: Solve for x
    x = 971,046,369.11/35,136.19
  6. Step 6: Final answer
    x = 27,636.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.